DETAIL INFORMATION
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Provides the Means to Install and Remove Parts Often Replaced and or Reinstalled on Both the AR15 and AR308 Platforms such as: Standard A2 Flash Hider, Delta Ring Assembly, Rifle...

Description
The modular upper receiver block can be used in several ways for many different maintenance tasks. You may use just the lower half of the block by attaching it quickly to the upper receiver with the two provided receiver pins. This...